β-半乳糖苷酶是一种催化乳糖水解为D-葡萄糖和D-半乳糖的酶类,是测定乳糖含量的关键试剂。通常来源于芽孢杆菌ATCC31382或米曲霉,也能水解乳果糖生成半乳糖、葡萄糖和果糖。
| 标准号 & 类别 | 标准名称 | 发布 |
|---|---|---|
| BS ISO 26462:2010 试验标准 |
Milk - Determination of lactose content - Enzymatic method using difference in pH
乳糖 |
2010-07-31 英国标准学会 |
| DIN 10344 E:2013-07 试验 |
Determination of lactose and galactose content of milk products; enzymic method
乳糖 |
2013-07 德国标准化学会 |
| DIN 10344:2015 试验 |
Milk and milk products - Determination of lactose and D-galactose content - Enzymatic method
乳糖 |
2015-05 德国标准化学会 |
| DIN 10344:2015-05 试验 |
Milk and milk products - Determination of lactose and D-galactose content - Enzymatic method
乳糖 |
2015-05 德国标准化学会 |
| DIN 10486:2017 试验 |
牛奶和奶制品. 乳糖含量的测定. 葡萄糖存在下的低乳糖牛奶和奶制品. 酶法 Milk and milk products - Determination of lactose content of lactose-reduced milk and milk products in the presence of glucose - Enzymatic method
乳糖 葡萄糖氧化酶 |
2017 德国标准化学会 |
| DIN 10486:2017-12 试验 |
乳和乳制品 葡萄糖存在下低乳糖乳和乳制品中乳糖含量的测定 酶法 Milk and milk products - Determination of lactose content of lactose-reduced milk and milk products in the presence of glucose - Enzymatic method
葡萄糖氧化酶 |
2017-12 德国标准化学会 |
| GB 1903.27-2022 |
National Food Safety Standard Food Nutritional Fortifier Galacto-oligosaccharide
乳糖 |
2022-06-30 国家市场监督管理总局 |
| GOST 31086-2002 试验 |
Milk and dairy products. Method for determination of lactose and galactose
乳糖 |
2002-1-1 俄罗斯标准局 |
| GOST ISO 5765-2-2016 试验标准 |
奶粉、干冰淇淋混合物和加工奶酪 乳糖含量的测定 第2部分.使用半乳糖作为乳糖成分的酶法 Powdered milk - dry ice cream mixes and processed cheese Determination of lactose content Part 2: Enzymatic method using galactose as a component of lactose
乳糖 |
2016-1-1 俄罗斯标准局 |
| GOST R 51259-1999 试验 |
Milk and milk products. Method for determination of lactose and galactose content
乳糖 |
1999 俄罗斯标准局 |
| GOST R 51939-2002 试验 |
Milk. Method for determination of lactulose content
|
2002 俄罗斯标准局 |
| ISO 26462:2010 试验 |
Milk - Determination of lactose content - Enzymatic method using difference in pH
乳糖 |
2010-06 国际标准化组织 |
| ISO 5765-2:2002 试验 |
奶粉、干冰混合物和加工的奶酪.测定乳糖含量.第2部分:利用乳糖中半乳糖含量的酶催化方法 Dried milk, dried ice-mixes and processed cheese - Determination of lactose content - Part 2: Enzymatic method utilizing the galactose moiety of the lactose
|
2002-09 国际标准化组织 |
| NY/T 1422-2007 试验 |
Determination of lactose in milk and milk products Enzyme-colorimetric method
乳糖 |
2007-06-14 行业标准-农业 |
| QB/T 5938-2024 规范 |
Galacto-oligosaccharides
乳糖 |
2024-03-29 行业标准-轻工 |
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